could not resolve <custom:DialogTitle> to component implementation error in flex

Question

I am getting the following error ...

could not resolve <custom:DialogTitle> to component implementation

What does this mean and how can I resolve it?

It is what it says it is. To use DialogTitle component from custom namespace you must import this namespace into your mxml file. You do that by adding xmlns:custom="path.to.package.of.your.component.*" as one of the attributes of root tag of your mxml file. — 2DH
Show us your code. @2dh is correct; and I believe I said a similar thing when you asked as part of this question stackoverflow.com/questions/5916421/… — JeffryHouser

Adekanmbi Oluremi Adekanmbi Oluremi · Accepted Answer · 2012-07-02T14:19:47

Be sure to extend a flex component that is close to what you would like to do and @2DH is right.

For example do something like "DialogTitle extends TitleWindow"